CN216229850U

CN216229850U - Backing plate for drilling circuit board

Info

Publication number: CN216229850U
Application number: CN202122856504.1U
Authority: CN
Inventors: 邓森洪; 阳建
Original assignee: Jiangxi Xinda Circuit Technology Park Co ltd
Current assignee: Jiangxi Xinda Circuit Technology Park Co ltd
Priority date: 2021-11-19
Filing date: 2021-11-19
Publication date: 2022-04-08
Anticipated expiration: 2031-11-19

Abstract

The utility model discloses a base plate for drilling a circuit board, which comprises a fixed bottom frame, an upper unit base plate and a lower unit base plate, wherein fixing nuts are symmetrically arranged in the centers of the side walls of the two sides of the fixed bottom frame, fastening screws are screwed in the fixing nuts, one ends of the fastening screws are connected with a connecting seat, the connecting seat is fixedly arranged in the center of the side surface of an installation plate, a plurality of fixing pins are uniformly arranged on the side surface of the other side of the installation plate, fixing blocks are symmetrically arranged on the side surfaces of the two sides of the upper unit base plate and the lower unit base plate, fixing holes are formed in the side surfaces of the fixing blocks, and the fixing pins are inserted in the fixing holes. Has the advantages that: the utility model is provided with the unit upper padding plate and the unit lower padding plate, when the individual unit upper padding plate and the unit lower padding plate are seriously worn and can not be used continuously, only the unit upper padding plate and the unit lower padding plate which are seriously worn are needed to be replaced, and the whole padding plate does not need to be replaced, thereby reducing the waste of padding plate resources and reducing the processing cost.

Description

Backing plate for drilling circuit board

Technical Field

The utility model relates to the technical field of circuit board processing, in particular to a base plate for drilling a circuit board.

Background

The circuit board is also called as a circuit board PCB, and generally uses a copper foil substrate as a raw material to manufacture important mechanism components of electric appliances or electrons, and the circuit boards can be classified into the following types according to functions: the circuit board needs to be drilled during processing, and a base plate for drilling the circuit board is often used during drilling of the circuit board.

The locating hole region that uses when the circuit board drills is comparatively concentrated, the backing plate has been leaded to seriously unable continuation of using of local area wearing and tearing after using the certain time, and the most formula as an organic whole of the backing plate of a traditional circuit board drilling usefulness, need whole change when changing the backing plate, thereby cause the waste of the partial backing plate resource of wearing and tearing, the circuit board drilling processing cost has been improved, and because the backing plate size is fixed, so application scope is less, the practicality is relatively poor, in addition, the most backing plate of a traditional circuit board drilling usefulness need earlier with treat the circuit board fixed connection back of drilling, reuse fixture to carry out the drilling operation after fixed with the backing plate centre gripping to fixed connection's circuit board and backing plate, can not carry out the centre gripping with the circuit board of treating drilling simultaneously and fix, workman's complex operation, the machining efficiency of circuit board drilling has been reduced.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the defects of the prior art, the utility model provides a base plate for drilling a circuit board, which is provided with a unit upper base plate and a unit lower base plate which are detachably replaced, when part of the base plate is seriously worn, only the unit base plate which is seriously worn is needed to be replaced without replacing the whole base plate, the waste of base plate resources is reduced, the processing cost is reduced, the base plate can be suitable for circuit boards with different sizes in a certain range, the application range is wide, the practicability is stronger, the base plate and the circuit board to be drilled are clamped and fixed, the processing efficiency is improved, and the problems in the background technology are solved.

(II) technical scheme

In order to realize the detachable and replaceable unit upper padding plate and unit lower padding plate, when the padding plate is worn seriously in part, only the unit padding plate which is worn seriously is needed to be replaced without replacing the whole padding plate, thereby reducing the waste of padding plate resources, reducing the processing cost, being applicable to circuit boards with different sizes in a certain range, having wide application range and stronger practicability, and simultaneously clamping and fixing the padding plate and the circuit board to be drilled, and improving the processing efficiency, the utility model adopts the following specific technical scheme: the utility model provides a backing plate that circuit board drilling was used, includes fixed underframe, unit upper padding plate and unit lower bolster, fixation nut is installed to fixed underframe both sides lateral wall central symmetry, and twists in the fixation nut and connect fastening screw to fastening screw one end is connected and is installed the connecting seat, connecting seat fixed mounting is central in mounting panel side, and evenly installs a plurality of fixed pin in mounting panel opposite side, the fixed block is installed to the equal symmetry in unit upper padding plate and unit lower bolster both sides side, and has seted up the fixed orifices to the fixed block side to it has the fixed pin to peg graft in the fixed orifices.

Further, fixed underframe inner chamber bottom surface symmetry has seted up down the spout, slider under the unit bottom bolster bottom surface symmetry is installed, and the lower slider inlay card is in the lower spout, fixed underframe both sides lateral wall top symmetry has seted up the spout, the slider is installed to unit upper padding plate bottom surface symmetry, and the slider inlay card is in the last spout.

Furthermore, the clamping boxes are symmetrically arranged at the center of the side face of the two opposite sides of the mounting plates, the sliding sleeves are symmetrically arranged at the side face of the opposite side of the clamping boxes, the abutting rods are arranged in the sliding sleeves, one end of each abutting rod is fixedly connected with the clamping plate, the side faces of the clamping plates are provided with the anti-slip pads, one end, located in the inner cavity of the clamping box, of each abutting rod is connected with the abutting spring, and the abutting springs are arranged in the inner cavity of the clamping box.

Furthermore, the cross sections of the upper sliding chute, the lower sliding chute, the upper sliding block and the lower sliding block are all T-shaped.

Furthermore, the bottom surface of the unit upper backing plate and the top surface of the unit upper backing plate are the same in size and shape.

Furthermore, the cross section of the fixed bottom frame is in a concave shape.

(III) advantageous effects

Compared with the prior art, the utility model provides the base plate for drilling the circuit board, which has the following beneficial effects:

(1) the utility model is provided with a unit upper backing plate and a unit lower backing plate, when in use, a plurality of unit upper backing plates and unit lower backing plates with corresponding widths are selected according to the width of a circuit board to be drilled, workers firstly clamp lower sliders arranged on the bottom surfaces of the unit lower backing plates in lower chutes arranged on the bottom surface of an inner cavity of a fixed bottom frame, simultaneously clamp the unit lower backing plates mutually and tightly arranged until the total length of the unit lower backing plates which are orderly arranged accords with the length of the circuit board to be drilled, then place the circuit board to be drilled on the unit lower backing plates, clamp upper sliders arranged on the bottom surfaces of the corresponding unit upper backing plates in upper chutes arranged on the bottom surfaces of the side walls of the fixed bottom frame one by one, clamp the unit upper backing plates arranged on the bottom surfaces of the unit upper backing plates and align the circuit board to be drilled and the unit lower backing plates, and finally rotate a fastening screw rod arranged in a fixing nut at the center of the side walls of the fixed bottom frame, fastening screw one end is passed through the connecting seat and is connected with the mounting panel, and mounting panel one side evenly installs a plurality of fixed pin, and the fixed block is installed to the equal symmetry of unit upper padding plate and unit lower bolster lateral wall, and seted up the fixed orifices in the fixed block, when the fixed pin corresponds the grafting in a plurality of fixed orifices, the completion is fixed to the centre gripping of a plurality of unit upper padding plate and unit lower bolster, when the serious unable continued use's of wearing and tearing phenomenon appears in individual unit upper padding plate and unit lower bolster, according to the above-mentioned reverse operation of description, with wearing and tearing serious unit upper padding plate and unit lower bolster change can, need not to change the monoblock backing plate, the waste of backing plate resource has been reduced, the processing cost is reduced, and utilize a plurality of unit upper padding plates and unit lower bolster can be applicable to the different circuit boards of size in the certain extent, wide application scope, the practicality is stronger.

(2) The utility model is provided with a clamping box, as mentioned above, when a plurality of unit upper backing plates and unit lower backing plates are limited and fixed, a circuit board to be drilled is positioned between the unit upper backing plates and the unit lower backing plates, meanwhile, two ends of the circuit board to be drilled are respectively abutted against the clamping plates, and anti-slip pads are arranged between the clamping plates and the circuit board to be drilled, so that the circuit board to be drilled can be prevented from sideslipping, one side of the clamping plates is connected with a plurality of abutting rods arranged in the sliding sleeve, the abutting rods are connected with abutting springs arranged in the clamping box, when the two mounting plates are gradually close to each other, the abutting rods slide along the sliding sleeve under the abutting of the circuit board to be drilled, and the abutting springs are compressed, when the mounting plates are abutted against the fixed block, the circuit board to be drilled is also tightly clamped and fixed between the two clamping plates under the elastic force of the plurality of abutting springs, therefore, the base plate and the circuit board to be drilled are clamped and fixed at the same time, the stability of the circuit board during drilling is improved, and the processing efficiency of circuit board drilling processing is improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

FIG. 1 is a schematic structural diagram of a pad for drilling a circuit board according to an embodiment of the utility model;

FIG. 2 is a top view of a pad for drilling a circuit board according to an embodiment of the present invention;

FIG. 3 is an enlarged view at A of FIG. 1 according to an embodiment of the present invention;

fig. 4 is a perspective view of a unit upper pad and a unit lower pad of a pad for drilling a wiring board according to an embodiment of the present invention.

In the figure:

1. fixing the bottom frame; 2. a unit lower backing plate; 3. a unit upper backing plate; 4. a lower slide block; 5. a lower chute; 6. an upper slide block; 7. an upper chute; 8. fixing a nut; 9. fastening a screw rod; 10. a connecting seat; 11. mounting a plate; 12. a fixed block; 13. a clamping box; 14. a tightening rod; 15. a clamping plate; 16. a non-slip mat; 17. the spring is tightly propped; 18. a sliding sleeve; 19. a fixing pin; 20. and (7) fixing holes.

Detailed Description

For further explanation of the various embodiments, the drawings which form a part of the disclosure and which are incorporated in and constitute a part of this specification, illustrate embodiments and, together with the description, serve to explain the principles of operation of the embodiments, and to enable others of ordinary skill in the art to understand the various embodiments and advantages of the utility model, and, by reference to these figures, reference is made to the accompanying drawings, which are not to scale and wherein like reference numerals generally refer to like elements.

According to an embodiment of the present invention, a pad for drilling a circuit board is provided.

Referring to the drawings and the detailed description, the utility model is further described, as shown in fig. 1-4, a pad for drilling a circuit board according to an embodiment of the utility model comprises a fixed bottom frame 1, a unit upper pad 3 and a unit lower pad 2, wherein fixing nuts 8 are symmetrically installed at the centers of the side walls of the two sides of the fixed bottom frame 1, fastening screws 9 are screwed into the fixing nuts 8, one ends of the fastening screws 9 are connected with a connecting seat 10, the connecting seat 10 is fixedly installed at the center of the side surface of an installing plate 11, a plurality of fixing pins 19 are uniformly installed at the side surface of the other side of the installing plate 11, fixing blocks 12 are symmetrically installed at the side surfaces of the unit upper pad 3 and the unit lower pad 2, fixing holes 20 are formed in the side surface of the fixing block 12, and the fixing pins 19 are inserted into the fixing holes 20, so as to clamp and fix the pad and improve the stability of the circuit board during drilling, and the processing efficiency of drilling and processing the circuit board is improved, the unit upper padding plate 3 and the unit lower padding plate 2 which are seriously worn are convenient to replace, the whole padding plate does not need to be replaced, the waste of padding plate resources is reduced, and the drilling and processing cost of the circuit board is reduced.

In one embodiment, the bottom surface of the inner cavity of the fixed bottom frame 1 is symmetrically provided with lower chutes 5, the bottom surfaces of the lower unit base plates 2 are symmetrically provided with lower sliders 4, the lower sliders 4 are embedded in the lower chutes 5 in a clamping manner, the top portions of the side walls on two sides of the fixed bottom frame 1 are symmetrically provided with upper chutes 7, the bottom surfaces of the upper unit base plates 3 are symmetrically provided with upper sliders 6, the upper sliders 6 are embedded in the upper chutes 7 in a clamping manner, the lower unit base plates 2 and the upper unit base plates 3 are arranged neatly, the total length of the lower unit base plates and the upper unit base plates meets the length of a circuit board to be drilled, the lower unit base plates and the upper unit base plates can be suitable for circuit boards with different sizes in a certain range, the application range is wide, and the practicability is higher.

In one embodiment, the clamping boxes 13 are symmetrically installed on the side surfaces of the two opposite sides of the two mounting plates 11, the sliding sleeves 18 are symmetrically installed on the side surfaces of the opposite sides of the clamping boxes 13, the tightening rods 14 are installed in the sliding sleeves 18, one ends of the tightening rods 14 are fixedly connected with the clamping plates 15, the anti-slip pads 16 are installed on the side surfaces of the clamping plates 15, the tightening rods 14 are located at the ends of the inner cavities of the clamping boxes 13 and are connected with tightening springs 17, the tightening springs 17 are installed in the inner cavities of the clamping boxes 13, the effect of clamping and fixing the circuit board to be drilled is achieved, the stability of the circuit board during drilling is improved, and the machining efficiency of the circuit board drilling machining is improved.

In one embodiment, the upper and

lower runners

7, 5, 6 and 4 are all T-shaped in cross-sectional shape.

In one embodiment, the bottom surface of the unit upper mat 3 is the same size and shape as the top surface of the unit upper mat 3.

In one embodiment, the cross-sectional shape of the fixing frame 1 is a concave shape.

The working principle is as follows: the utility model is provided with a unit upper backing plate 3 and a unit lower backing plate 2, when in use, a plurality of unit upper backing plates 3 and unit lower backing plates 2 with corresponding widths are selected according to the width of a circuit board to be drilled, a worker firstly clamps lower sliders 4 arranged on the bottom surfaces of the unit lower backing plates 2 in lower chutes 5 arranged on the bottom surface of an inner cavity of a fixed bottom frame 1, and simultaneously clamps the unit lower backing plates 2 mutually and tightly arranges until the total length of the unit lower backing plates 2 which are orderly arranged accords with the length of the circuit board to be drilled, then places the circuit board to be drilled on the unit lower backing plates 2, and clamps upper sliders 6 arranged on the bottom surfaces of the corresponding unit upper backing plates 3 in upper chutes 7 arranged on the side wall of the fixed bottom frame 1 one by one, and aligns the unit upper backing plates 3 with the circuit board to be drilled and the unit lower backing plates 2, finally, the fastening screw 9 installed in the fixing nut 8 at the center of the side wall of the fixing bottom frame 1 is rotated, one end of the fastening screw 9 is connected with the mounting plate 11 through the connecting seat 10, a plurality of fixing pins 19 are evenly installed on one side of the mounting plate 11, the fixing blocks 12 are symmetrically installed on the side walls of the unit upper padding plate 3 and the unit lower padding plate 2, fixing holes 20 are formed in the fixing blocks 12, when the fixing pins 19 are correspondingly inserted in the fixing holes 20, clamping and fixing of the unit upper padding plate 3 and the unit lower padding plate 2 are completed, when the unit upper padding plate 3 and the unit lower padding plate 2 are seriously worn and cannot be used continuously, reverse operation is performed according to the description, the unit upper padding plate 3 and the unit lower padding plate 2 which are seriously worn are replaced, the whole padding plate does not need to be replaced, the waste of padding plate resources is reduced, the processing cost is reduced, and the plurality of unit upper padding plates 3 and the unit lower padding plates 2 can be suitable for being used in a certain range in different sizes The circuit board, the coverage is wide, the practicability is stronger, in addition, the utility model has clamping box 13, as mentioned above, when several are finished the spacing fixation of several unit upper backing plates 3 and unit lower backing plates 2, the circuit board to be drilled is between several unit upper backing plates 3 and unit lower backing plates 2, meanwhile, the circuit board to be drilled is butted with clamping plate 15 at both ends separately, and there are non-slip mats 16 between clamping plate 15 and circuit board to be drilled, can prevent the circuit board to be drilled from sideslipping, and one side of clamping plate 15 connects with several abutting rods 14 installed in sliding sleeve 18, and abutting rods connect with abutting springs 17 installed in clamping box 13, when two mounting plates 11 are gradually closed, abutting rods 14 slide along sliding sleeve 18 under the butt of circuit board to be drilled, and make abutting springs 17 compress, when mounting plate 11 is butted with fixed block 12, under the elastic force action of the plurality of abutting springs 17, the circuit board to be drilled is also tightly clamped and fixed between the two clamping plates 15, so that the base plate and the circuit board to be drilled are clamped and fixed at the same time, the stability of the circuit board during drilling is improved, and the processing efficiency of the circuit board drilling processing is improved.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "disposed," "connected," "secured," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate, and may be communication between two elements or interaction relationship between two elements, unless otherwise specifically limited, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to specific situations.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. The utility model provides a backing plate that circuit board drilling was used, includes fixed underframe (1), unit upper padding plate (3) and unit lower bolster (2), its characterized in that, fixation nut (8) are installed to fixed underframe (1) both sides lateral wall central symmetry, and twists in fixation nut (8) and connect fastening screw (9) to fastening screw (9) one end is connected and is installed connecting seat (10), connecting seat (10) fixed mounting is in mounting panel (11) side central authorities, and mounting panel (11) opposite side evenly installs a plurality of fixed pin (19), fixed block (12) are installed to unit upper padding plate (3) and unit lower bolster (2) both sides side equal symmetry, and fixed block (12) side has seted up fixed orifices (20) to it has fixed pin (19) to peg graft in fixed orifices (20).

2. The pad for drilling the circuit board according to claim 1, wherein the bottom surface of the inner cavity of the fixed bottom frame (1) is symmetrically provided with lower sliding grooves (5), the bottom surface of the unit lower pad (2) is symmetrically provided with lower sliding blocks (4), the lower sliding blocks (4) are embedded in the lower sliding grooves (5), the tops of the side walls at two sides of the fixed bottom frame (1) are symmetrically provided with upper sliding grooves (7), the bottom surface of the unit upper pad (3) is symmetrically provided with upper sliding blocks (6), and the upper sliding blocks (6) are embedded in the upper sliding grooves (7).

3. The base plate for drilling the circuit board according to claim 1, wherein the two mounting plates (11) are symmetrically provided with a clamping box (13) at the center of the opposite side of the clamping box (13), a plurality of sliding sleeves (18) are symmetrically provided at the opposite side of the clamping box (13), a tightening rod (14) is installed in each sliding sleeve (18), one end of each tightening rod (14) is fixedly connected with a clamping plate (15), the side of each clamping plate (15) is provided with an anti-slip pad (16), one end of each tightening rod (14) located in the inner cavity of the clamping box (13) is connected with a tightening spring (17), and the tightening spring (17) is installed in the inner cavity of the clamping box (13).

4. The pad board for drilling the circuit board according to claim 2, wherein the cross sections of the upper sliding groove (7), the lower sliding groove (5), the upper sliding block (6) and the lower sliding block (4) are all T-shaped.

5. A pad for drilling holes in circuit boards according to claim 1, wherein the bottom surface of the unit upper pad (3) and the top surface of the unit upper pad (3) are the same in size and shape.

6. The pad for drilling holes in circuit board as claimed in claim 1, wherein the cross-sectional shape of said fixing bottom frame (1) is a concave shape.